2.5-2.7 FRQ Question #2

Started by ann, October 10, 2022, 10:47:14 PM

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ann

I am confused as to how I should complete the structure without having any single pairs of electrons.

chenbeier

R-(C=O)-OH. Each oxygen has two  Single pair of electrons.  The C has sp2 hybridisation.

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PF2rB3j1v5mSm+nN9og7m+F5FIJ4PJ55pMyqD+VGuviohyNKgu/edC73/L4c7uUyU/D3STl5PAviKZrVH5qeEmTd4ju4c/DjX/QjSM3Uaz6M6yEl4pX6SzJDCpfdKLZ8Gz+lsvUwTgLo+ljj+iTfOdW8e/C5r6clQ/YW+XPPIrhl3fJpCUmBOfmN5hn1/cfKGNlARafRsYz9i/rOIvYG+U4rsivmfsutVfnO8TxG6VVaPkcWcOuwma+sLY6yfsKPNlsQ/zyy+OXSpDUWld10rMM6Tnvzb2dYtp2yuNHV7xfvxnvfzS2HG895ZMvdfy2JfLV37m9UtjR777ocdUXuZ3SZDyIw+r6fNPaHLtHGdtG3f5jbCXsc1jsm1M/NG3wl7mEcv3r2/T3oS9l1mb4Ntgj2BeKoMWZX5oA7y+/Pzu7LpjeduG6z+qd4eufkG6Grsy6ziTBM61nL6s86JTHO8fRJp8QCbrg/n+xnz/qovY/qF9upyVQCGV1z4Ewpw1G77RCZlfle/39Vt+XUflL/3SL/3SL/3SL/3SL/3SL/3SL/3SD6QnzO58POVlTa8Cr4oX+os6vfIykdc4cDiaLX9SyquKIj8PuSC76zovXZ1kV6T1S2LnhKpbitrlgq5Ekpyf7/dVKIw6baHFNcHV3XrHVRIljtegIfQDnZ6uQIDKiwRyLWpXLdAwT9qwUiLtyssaec4PyDBBpzbylB7oL2Es8jqbMq+SQFfcUmFgm0IalGo8ckUa8e7NR2mYlUPn6rqngo6ux4hFc0K25uqK1MVTyR3GHsi8xMI77IKOHYWFacocWuaelLZWTF4Y6nRWL2LvOOzIgAdjdz8rzRV2ShfLNNly6L60N50EmMvD5yltBogshN1ShnQaivwlCqqp737U3WNFyEUfK516xTMpao/Ezn0NZvWG2TcnPrrOpe16483VV0axzjpRYkqjB0mjPmn0NR8xSbeGb/WG53R6FtWPobAl7E2Vcvxu0hgWJnoZxMfJhA5RRDGix7xjfRI72aFYdf9Qj5LHYheLZePAhQ1XdHTwCiYiG7xGiHzA3+5jk90/Smz1Q8lyybTNUAr8GgxNgURzHECy4Q9jirNLm3s+YOKwNg+8WanhDEvTxIyTMkJ3MIFMt1wmTB/5827/UOxzWMO20Z4C5zxOoU6/OuF07E47WsOeNhdX0INdp93B7zTV1JzWj4fVHnr4wXuFOTTbjQ3s6QwdKnxcP4wANvgmvRonsb/hd1G7s+WHDfYEFp3222gHS0oyDfF9jdpRE16VTcLDTtQabXr9j8TehBZnN01gj2K/4BrTLwdRhzVHUCxgnPqIvTWhm9pc8MFW4+hzua10CTVKAw7WhFNuYUGDJtzCCwr2nF5odw0vfAZjcnD7sspKf2qwmRJe+FTD9/aEPQNTvO7Buq7J9X+lzepHbq/6vpY+8BFLWmZLOltthRMPjcpgDJ2TqcFc9ZZUoljRuBgLcxwZ3XmAnacQe8QnSoXKvK/TuSLSHPXwQsmUIb5Eqe3BJ4x9ArWAde+jsUcmu2NAsEz1VYRMESM05yHslcHOmCcwN3o78IbDDZ0wiXw36QITaAoZcb00NMI9EgrGLucw4ehitNdU4PQ6fQzDjLFzcAtPsUKGhB3HysEo0Udjb7D+1XWqjbmg2RX70Kbu8JsfIVqHXckGAEGPO9M5RY12WOYznqoayHc9okMcaVYIqNeIvS78JTQk18CyR2QZI6CPTWxeuVTbCBbCVggzfA/5uB/1D7BHgs+cnFAZ1ynwuDYxF2SMIFO2hL3DkkzYUZ+RVu41Fy2S+bDHfKdquGPhj1m5oYSrqcOujPYylZvdgPFIqizVi1y8w4CmeTBzme5dqQtJxKw/GzkOSjNgJlXmb2uoilCtDM3NASs/wnbUCl5Ct0QHq3a5qEt89J/MR8X2KA4ee03phsE8cdraScqMRoQ/6w1Tj5CkCo03ILtKG711TLUj9i/FOEumPCInDPqMSwfb80SbVih0ZO4WkIOFKndjZ8TvsE9J1dTq01RZEOVrsS+6/zg+SEKzdjlZBjuihuWB713cy36OD/MTD+d40Uu77PaPn665znPSsvD/09xdT8EArYtGR468kPfof7A1o+eY5KjPKMi+p0Kw0Zquz6/D14cwppTkUCoWMTrlle5ixextoS67q/nhdZ4r2LL0TdpTrAWdBos2XScMewVNYn77i0hY4h/8He7fH6oNGSU0aPU/3v1EGjchc9Vmav7s04fl/SKACVJrSHOaizRyHkkDnMZFp8FjsHDIZv7IqXzjsB9gTqzO0S9im3ST2EypAYwLO5mDn9wJ2vHNHR+FGLNTGrgtq0KKnD5t6voYBPsSbzrmhXx3BnkyZ/mJv53eUi4jiE7ePtuuohBDZ87RKsdi1T2VYgczwMQ1UPmCMJrWa5NkM1Tza9htGtoQhr1oMdjm1zZEGZeySTVZuq577CmgJgcC2YxYoPjeutcfPirBLySXUW2hhtvBNPM5vM4cRVROCyDenRpqBjSJ64ENUIk8EWg5g1bCfBB3nZR6YW6PM8L1hDnHz2/THVpsKsXlbwo6yzIudXRS68R6oN+AzkthyQiV3rPFSJiMVT1pQcyuR3D6m4nmOnRZtgXXKhKEmP4PVymEgzGE+rOtSPgbD9ITO1FGBF+BdqY249HitTgPaG7pSN2E3sLa77hrbjokVn0fhtl7oioDp0DTfDa3dS4VGpR4+spoAnW7C0wkflsGHolMee0C+KfoD2vbKmN0i97Tzv/loQVtA2bZFziu23aR0C3etCj7qgl9DFTw9wnjIrPFnajq5yj7ykQ76OY9wmTtgtD3ZwuT5m3OuUOZ5KLzLhXaOKvUemTQP5seQqNwHpAqHsBinhp8XMXIvQmnn15XUBS1F8Y1VTbyW+W9q+/tPbo4rbhT8ZRi6lk7O1oJH8t19J+e1LD5a+PrR3ulamTLvA7S4v9+ummw3SlSeixuz74i99E3fEHuZTVKpvuU+8nfE9Eu/9JPof8bKAovirkM3AAAAAElFTkSuQmCC

uma

Quote from: ann on October 10, 2022, 10:47:14 PM
I am confused as to how I should complete the structure without having any single pairs of electrons.
In the remaining part of the structure ,you need to put two lone pairs on each oxygen which gives it minimum formal charge.
Remember oxygen can make two bonds with two lone pairs with  zero formal charge.
One oxygen is double bonded and one oxygen is single bonded with carbon and each oxygen has two lone pairs to complete the octet.

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